Soós, Áron, Reichenbach, R., Várallyay, S., Bódi, Éva, Molnár, S. and Kovács, B. (2017) “Elemental content of propolis samples from Pest, Zala and Bács-Kiskun county (Hungary)”, Acta Agraria Debreceniensis, (72), pp. 149–153. doi: 10.34101/actaagrar/72/1607.